[sdiy] Multi Segment Envelope Generator

Tim Ressel madhun2001 at yahoo.com
Fri Mar 29 20:19:07 CET 2002


Jim,

This is an interesting circuit. It is similar to an
ADSR I tried to make. Basically a 4-segment version of
yours. From the schematic, it looks like this is an
exponential generator meant for a linear VCO. Yes? If
so, it looks pretty easy to make it linear.

I had a lot of trouble with the comparators on the
version I tried. They tended to oscillate from noise
when the inputs were near each other. This caused the
logic to go nuts. I never went back to see if I could
fix it.

Keep on truckin', and keep us informed!

--TR

--- patchell <patchell at silcom.com> wrote:
>     Here is another one I am working on.  The
> schematic is prelim, and
> probably has some errors in it.  I just got done
> fixing a few more...you
> are welcome to tell me about any others, if you spot
> them.
> 
>    
>
http://www.silcom.com/~patchell/synthmodules/multisegenv.html
> 
> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
> *-----------------------------------------------
> *I'm sure glad Merry Christmas comes just once a
> year
> * -Yogi Yorgensen
> ------------------------------------------------
> 
> 


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